getElementById vs. getElementsByClassName vs. querySelector vs. jQuery (v226)

Revision 226 of this benchmark created on

Preparation HTML

<p id="foo" class="my-foo">
  Foo
</p>
<p id="bar" class="my-bar">
  Bar
</p>
<div id="poo" class="my-poo">
  <div id="par" class="my-bar">
    <div id="paz" class="my-bar">
      <span id="baz" class="my-baz">
        Baz
      </span>
    </div>
  </div>
</div>
<div class="my-poo"></div>
<div class="my-poo"></div>
<div class="my-poo"></div>
<div class="my-poo"></div>

Test runner

Ready to run.

Testing in
TestOps/sec
getElementById
var bar = document.getElementById("bar");
ready
querySelector (ID)
var bar = document.querySelector("#bar");
ready
jQuery(ID)
function find(el) {
 return document.getElementById(el)
}
find('bar')
ready
getElementsByClassName
var bar = document.getElementsByClassName("my-poo");
ready
querySelector (Class)
var bar = document.querySelectorAll(".my-poo");
ready
func
function find(el) {
 return document.getElementsByClassName(el)
}
find('my-poo')
ready

Revisions

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